"Mistaken Identities in the Art (about Art) of Cindy Sherman, Yosumasa Morimura, Yinka Shonibare and Roger Shimomura" is the title of a talk to be given by David C. Cateforis, professor of art history at the University of Kansas at noon, March 7, in the Artspace studio at the H&R Block Artspace, 16 E. 43rd St. For details, call 816-561-5563.